1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
China, India, Indonesia, Japan, North Korea, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Tajikistan, Thailand
Russia
1.1.2 Afrika
Egypt, Ethiopia, Ghana, South Africa, Western Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa
1.1.3 Eropah
Austria, England, Finland, France, Germany, Greece, Spain, Sweden, Switzerland, United Kingdom
England, Hungary, Iceland, United Kingdom
1.1.4 lain
belum menemukan
antarctica, tanah penggembalaan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
Canada, USA
Canada, Mexico, USA
1.2.2 Amerika Selatan
Kolumbia
Argentina, Kolumbia, Ekuador
1.3 deposito di oceania benua
1.3.1 Australia
Central Australia, New Zealand, Queensland
New South Wales, New Zealand, Queensland, South Australia, Western Australia